zoom H4N Pro
- The H4n Pro can record up to four simultaneous channels of audio at resolutions and sample rates higher than CD-quality, capturing sound sources in WAV and MP3 formats. It utilizes an SDHC card for storage and a USB connection for transferring material to your computer. A pair of standard AA batteries powers the device, and can provide up to 12 hours of continuous recording in Stamina mode (using NiMH 2450 mAh batteries).